Definition of: Neolithic

(nē′ə·lith′ik) adjective Anthropol.
Of or pertaining to the period of human culture following the Mesolithic: characterized by a great variety of polished stone implements and the development of new social forms based upon primitive techniques in weaving, spinning, and potterymaking, and the introduction of a settled agriculture exploiting many new domesticated plants. [<Gk. neos new + lithos stone]